Benefits

Antibacterial

Antidiabetic

Antiinflammatory

Antihypertensive

Antifungal

Antioxidant

Antimicrobial

Antiparasitic

Anticancer

Olive

Olea europaea

Olives are small fruits produced by the olive tree (Olea europaea), a deciduous tree or shrub that is native to the Mediterranean region. Olive trees, and their various parts, have been used in traditional and contemporary medicine for a wide range of ailments. Olive tree parts provide a rich source of polyphenols, including:

Oleuropein: a bitter monoterpene glycoside; the most important natural source of this compound is the olive leaf.

7-glucoside

Aesculin

Arigenine

Hydroxytyrosol

Lingstroside

Luteolin

Oleanic and maslinic acids

Olivine

Olivine-diglucoside

Quercetin

Tyrosol

Verbascoside

Ascites syndrome
A study conducted in 2012 on the effects of supplementing broiler chickens' diets with 10 g/kg of dietary olive leaves, showed that it had an anti-hypertensive effect and decreased incidences of ascites in chickens exposed to cold ambient temperatures.